<template>
  <div class="login">
    <div class="login-box">
      <div class="top">
        <div class="logo">
          <img src="~@/assets/img/login-logo.png" alt />
        </div>
      </div>
      <div class="mid">
        <el-form
          :model="dataForm"
          :rules="dataRule"
          ref="dataForm"
          @keyup.enter.native="dataFormSubmit()"
          status-icon
        >
          <el-form-item prop="userName">
            <el-input
              class="info"
              v-model="dataForm.userName"
              placeholder="用户名"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              class="info"
              v-model="dataForm.password"
              type="password"
              placeholder="密码"
            >></el-input>
          </el-form-item>
          <el-form-item prop="captcha">
            <el-row :gutter="24">
              <el-col :span="14">
                <el-input
                  v-model="dataForm.captcha"
                  placeholder="验证码"
                ></el-input>
              </el-col>
              <el-col :span="10" class="login-captcha">
                <img class="captcha" :src="captchaPath" @click="getCaptcha()" alt />
              </el-col>
            </el-row>
          </el-form-item>
          <el-form-item>
            <div class="item-btn">
              <input type="button" value="登录" @click="dataFormSubmit()" />
            </div>
          </el-form-item>
        </el-form>
      </div>

      <div class="bottom">Copyright © 2020 SunJuLei</div>
    </div>
  </div>
</template>

<script>
import { getUUID } from '@/utils'
export default {
  data () {
    return {
      dataForm: {
        userName: '',
        password: '',
        uuid: '',
        captcha: ''
      },
      dataRule: {
        userName: [
          { required: true, message: '帐号不能为空', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' }
        ],
        captcha: [
          { required: true, message: '验证码不能为空', trigger: 'blur' }
        ]
      },
      captchaPath: ''
    }
  },
  created () {
    this.getCaptcha()
  },
  methods: {
    // 提交表单
    dataFormSubmit () {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          this.$http({
            url: this.$http.adornUrl('/sys/login'),
            method: 'post',
            data: this.$http.adornData({
              'username': this.dataForm.userName,
              'password': this.dataForm.password,
              'uuid': this.dataForm.uuid,
              'captcha': this.dataForm.captcha
            })
          }).then(({data}) => {
            if (data && data.code === 0) {
              this.$cookie.set('token', data.token)
              this.$router.replace({ name: 'home' })
            } else {
              this.getCaptcha()
              this.$message.error(data.msg)
            }
          })
        }
      })
    },
    // 获取验证码
    getCaptcha () {
      this.dataForm.uuid = getUUID()
      this.captchaPath = this.$http.adornUrl(`/captcha.jpg?uuid=${this.dataForm.uuid}`)
    }
  }
}
</script>

<style lang="scss">
  .login {
    width: 100%;
    height: 100%;
    background: url(~@/assets/img/login-bg.png) no-repeat;
    background-size: cover;
    position: fixed;
  }
  .login .login-box {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    padding-top: 10%;
  }
  .login .login-box .top {
    margin-bottom: 30px;
    text-align: center;
  }
  .login .login-box .top .logo {
    font-size: 0;
  }
  .login .login-box .top .company {
    font-size: 16px;
    margin-top: 10px;
  }
  .login .login-box .mid {
    font-size: 14px;
  }
  .login .login-box .mid .item-btn {
    margin-top: 20px;
  }
  .login .login-box .mid .item-btn input {
    border: 0;
    width: 100%;
    height: 40px;
    box-shadow: none;
    background: #1f87e8;
    color: #fff;
    border-radius: 3px;
  }
  .info {
    width: 410px;
  }
  .login-captcha {
    height: 40px;
  }
  .captcha{
    height: 100%;
  }
  .login .login-box .bottom {
    position: absolute;
    bottom: 10%;
    width: 100%;
    color: #999;
    font-size: 12px;
    text-align: center;
  }
</style>
